Sarasaen, Wittakan, Sumattana Glangkarn, and Jiraporn Worawong. 2018. “Development of Municipal Solid Waste Management in Ban Wai, Na Si Nuan Sub-District, Kantharawichai District, Maha Sarakham Province”. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 12 (2):564-80. https://so01.tci-thaijo.org/index.php/GraduatePSRU/article/view/103269.